1. Questions

chemistry

Which statement describes the principal quantum number (n)?

A. The quantum number that indicates the subshell occupied by an electron
B. The quantum number that indicates the energy level of the electron
C. A subdivision of an energy level in an atom
D. The probability of finding the electron at a radius r from the nucleus

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
Morgan

  1. I would go with d.

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    DrBob222

  2. the answer was b

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    Morgan

  4. OK but I disagree. b can be right in certain cases, as in the case of the H atom, but for other atoms the orbitals(s,p,d,f) determine the energy of the electrons. The answer d is correct for n of any element.
    Here is a graph of such a function.
    http://en.wikipedia.org/wiki/Radial_distribution_function
    See my post to you at the top of the page.

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    DrBob222

  5. Can you give me the answer key for Which of the following is described by a principal quantum number?

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    daverick

  6. i am a little late but the answer is in fact B:)

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    anon

Respond to this Question

First Name

Your Response

Similar Questions

  1. Quantum Physics

    A particle of mass 2.00×10^−10 kg is confined in a hollow cubical three-dimensional box, each edge of which has a length, 2.00×10^−10 m, and for which the potential energy function is zero inside, and infinite outside, the

  2. chemistry

    Suppose you take a trip to a distant universe and find that the periodic table there is derived from an arrangement of quantum numbers different from the one on Earth. The rules in that universe are: 1. principal quantum number n

  3. Chemistry

    What is the azimuthal quantum number (also called the angular-momentum quantum number), ℓ, for the orbital shown here? (the photo is a d orbital. it has 4 balls around it) Express your answer numerically as an integer.

  4. Chemistry

    The principal quantum number (n): A) specifies the subshell of the orbital. B) specifies the principal shell of the orbital. C) specifies the 3-D shape of the orbital. D) specifies the maximum number of electrons. E) none of the

  1. physics

    The electron in a hydrogen atom with an energy of -0.544 eV is in a subshell with 18 states. What is the principal quantum number, n, for this atom? What is the maximum possible orbital angular momentum this atom can have? Is the

  2. Chemistry

    1. The quantum number ml can have values from: 0 to 1. 2. The total number of orbitals possible at the l = 0 sublevel is: 1 Am I correct?

  3. Chemistry

    The principal quantum number (n): (1) specifies the subshell of the orbital. (2) specifies the principal shell of the orbital. (3) specifies the 3-D shape of the orbital. (4) specifies the maximum number of electrons. (5) none of

  4. Chemistry, Periodic Table

    Very briefly explain the main horizontal and vertical features of the Periodic Table in terms of the electronic structure and relevant quantum numbers? -------------- Am I being asked to state for instance in the case of Halogens

  1. chemistry

    List all the quantum number values for an orbital in the 5f subshell?

  2. Chemistry

    An electron is in the 5f orbital. What are the values or sets of values for… a. The principle quantum number (n)? b. The angular momentum quantum number (l)? c. The magnetic quantum number (ml)?

  3. chemistry

    Which of the following quantum numbers describes the shape of an orbital? A) principle quantum number (n) B) magnetic quantum number (ml) C) spin quantum number (ms) D) Schrodinger quantum number (S) E) (azithmal) angular momentum

  4. Chemistry

    The principal quantum number of the valence electrons in a atom of lead is A. 2 B. 3 C. 4 D. 5 E. 6

View more similar questions or ask a new question.